Sofa



FIG. 1 is a front and right side perspective view of a first embodiment of a sofa showing my new design;

FIG. 2 is a rear and left side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right side elevation view thereof, the left side being a mirror image;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a front and right side perspective view of a second embodiment of a sofa showing my new design;

FIG. 8 is a rear and left side perspective view thereof;

FIG. 9 is a front elevation view thereof;

FIG. 10 is a right side elevation view thereof, the left side being a mirror image;

FIG. 11 is a top plan view thereof; and,

FIG. 12 is a rear elevation view thereof.

The broken lines shown in the drawings illustrate portions of the sofa that form no part of the claimed design. In FIGS. 7, 8, 9, 11, and 12 the sofa is shown with a symbolic break in its length. The appearance of any portion of the sofa between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for sofa, as shown and described. 